"""
将华氏温度转换为摄氏温度

Version: 1.1
Author: 骆昊
"""
# f = float(input('请输入华氏温度: '))
# c = (f - 32) / 1.8
# print(f'{f:.1f}华氏度 = {c:.1f}摄氏度')
print("请输入华氏温度")
f = float(input())
c = (f - 32) / 1.8
print(c)